不好意思,我一时短路,是可以的,代码如下:
public abstract class Printer{
public Printer(){print();}
public abstract void print();
}public class HP extends Printer{
private int i = 6;
public void print(){System.out.println("HP prints " + i);}
}public class UsePrinter{
public static void main(String[] args){
HP hp = new HP();
hp.print();
}
}
结果如下:
public abstract class Printer{
public Printer(){print();}
public abstract void print();
}public class HP extends Printer{
private int i = 6;
public void print(){System.out.println("HP prints " + i);}
}public class UsePrinter{
public static void main(String[] args){
HP hp = new HP();
hp.print();
}
}
结果如下:
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货